package com.atguigu.gulimall.order.web;

import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * 订单页面请求
 *
 * @author xiaoping
 * @create 2020/7/3 18:34
 * @since 1.0.0
 */
@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    /**
     * 去结算确认页
     * @param model
     * @return
     * @throws ExecutionException
     * @throws InterruptedException
     */
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        //展示订单确认的数据
        return "confirm";
    }

    /**
     * 下单功能
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
       SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
       if (responseVo.getCode() == 0){
           //下单成功来到支付选择页
           model.addAttribute("submitOrderRes", responseVo);
           return "pay";
       }else {
           String msg = "下单失败：";
           switch (responseVo.getCode()){
               case 1: msg += "订单信息过期，请刷新再次提交"; break;
               case 2: msg += "订单商品价格发生变化，请确认后再次提交"; break;
               case 3: msg += "库存锁定失败，商品库存不足"; break;
               default:break;
           }
           redirectAttributes.addFlashAttribute("msg", msg);
           //下单失败回调订单确认页重新确认订单信息
           return "redirect:http://order.gulimall.com/toTrade";
       }
    }


}
